Comparison

CompoundFX vs Compound Tower

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

CompoundFX

Features
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CompoundFX is the compound interest calculator that shows you what it takes, not just what you'll have. Model investment growth, plan for retirement, and pressure-test your FIRE goals with precision. Set a goal, $1M by age 60, a down payment, or a college fund, and CompoundFX solves for the missing piece. The rate you’ll need. The years it will take. The deposit you have to make. No more guessing. No more trial and error. GOAL MODE Pick your goal. Choose what to solve for. CompoundFX does the financial math. - Solve for Rate of Return - Solve for Time Horizon - Solve for Starting Principal - Solve for Monthly Contribution COMPARE SCENARIOS Should you save more or invest longer? Pay off debt or boost your 401(k)? Save scenarios and put them head-to-head. See the difference, the total dollar impact, and exactly when one strategy pulls ahead. A CALCULATOR THAT SHOWS ITS WORK - Real-time growth chart with milestone markers ($100K, $250K, $1M) - Year-by-year breakdown with full transparency - Inflation, Taxes, and Expense Ratios: See what you actually keep after fee drag - Daily, weekly, monthly, or annual contributions - Custom compounding intervals (Daily to Annually) - Sub-year precision for short-horizon plans DESIGNED FOR iPHONE & INDIE DEV Dark glass UI. Smooth haptics. Built natively in SwiftUI for iOS 17 and up. No accounts. No ads. No tracking. Your scenarios stay locally on your device. EXPORT AND SHARE Generate a polished two-page PDF report with an executive summary, growth chart, and full milestone breakdown. Or share a branded image to text or social media. FREE FEATURES - Full compound interest calculator - Real-time growth chart and year-by-year table - Inflation, tax, and expense adjustments - Custom contribution and compounding schedules - Branded image sharing PRO: $4.99 (ONE-TIME PURCHASE) - Goal Mode (Solve for any missing variable) - Save unlimited scenarios - Compare scenarios side-by-side - Export two-page PDF reports One purchase. Unlocked forever. Family Sharing fully supported. WHO IT'S FOR Whether you're starting your first Roth IRA, managing index funds, planning early retirement, modeling a college fund, or tracking a Bogleheads portfolio, CompoundFX gives you the answer in seconds. PRIVACY FIRST CompoundFX is fully offline. No data collection. No accounts required. No analytics. No third-party SDKs. Your personal finance data is stored safely on your device. DISCLAIMER CompoundFX is for educational and planning purposes. It does not provide investment, tax, or financial advice. Returns shown are projections based on the inputs you provide and do not guarantee actual investment performance. Questions or feedback? support@originsoftware.net

About

Compound Tower

Features
Read full description

COTO is a personal finance tracker designed for people who want a clearer view of their wealth structure. Track bank assets, broker cash, investment positions, fixed assets, income and expenses, goals, recurring investment plans, and portfolio allocation in one organized place. COTO helps you see what you own, what you owe, where your money flows, and how your portfolio drifts from your target allocation. Key features: - Net worth dashboard with asset and liability charts - Bank assets, deposits, wealth products, and liabilities - Broker cash, holdings, buy/sell/dividend records, and P&L tracking - Ledger summaries with income, expenses, dates, amounts, and notes - Fixed asset records for property, vehicles, and electronics - Goal tracking and recurring investment plans - Portfolio allocation, drift analysis, and rebalance suggestions - Monthly review records and action items - App privacy lock with biometric unlock and password fallback - English and Simplified Chinese interface support COTO does not provide investment advice. It is a tracking and organization tool to help you record, review, and understand your own financial data.

Screenshots

CompoundFX4 screens
Compound Tower4 screens

Verdict

The call

The clearest difference is in-app purchases: Compound Tower at none against CompoundFX's 1. Compound Tower also leads on iOS requirement (15.5 vs 17.0). On price, ads and device support there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. CompoundFX sells 1 one-off in-app purchase. Compound Tower asks for nothing beyond the download.

Scorecard2 real differences · 4 level
CompoundFX versus Compound Tower: the parameters behind the verdict, then further details
ParameterCompoundFXCompound Tower
PriceFreeFree
Update frequencyEvery 2 months—
AdsNoNo
In-app purchasesYesNo — better
DevicesiPhoneiPhone, iPod — better
Requires iOS17.015.5 — better
Further details — not scored
Size4 MB67 MB
Age rating4+17+
DeveloperOrigin Software, Inc.Hopeshine Tech Limited

In-app purchases

1 purchases

CompoundFX

One-time1
  • CompoundFX Pro$4.99
None

Compound Tower

No in-app purchases

Questions

Is CompoundFX free?
CompoundFX is free to download, with in-app purchases available.
Is Compound Tower free?
Compound Tower is free to download, with no in-app purchases.
Do CompoundFX or Compound Tower have ads?
Neither CompoundFX nor Compound Tower shows ads.

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